On the effect of mean-nonstationarity in dynamic panel data models

Journal of Econometrics 153 巻 2 号 133-135 頁 2009-12 発行
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タイトル ( eng )
On the effect of mean-nonstationarity in dynamic panel data models
作成者
収録物名
Journal of Econometrics
153
2
開始ページ 133
終了ページ 135
抄録
In this paper,we investigate the effect of mean-nonstationarity on the first-difference generalized method of moments (FD-GMM) estimator in dynamic panel data models. We find that when data is mean-nonstationary and the variance of individual effects is significantly larger than that of disturbances, the FD-GMM estimator performs quite well. We demonstrate that this is because the correlation between the lagged dependent variable and instruments gets larger owing to the unremoved individual effects, i.e., instruments become strong. This implies that, under mean-nonstationarity, the FD-GMM estimator does not always suffer from the weak instruments problem even when data is persistent.
著者キーワード
Dynamic panel data models
Strength of instruments
Generalized method of moments estimator
Mean-nonstationarity
NDC分類
経済 [ 330 ]
言語
英語
資源タイプ 学術雑誌論文
出版者
Elsevier Science SA
発行日 2009-12
権利情報
Copyright (c) 2009 Elsevier B. V.
出版タイプ Author’s Original(十分な品質であるとして、著者から正式な査読に提出される版)
アクセス権 オープンアクセス
収録物識別子
[ISSN] 0304-4076
[DOI] 10.1016/j.jeconom.2009.04.008
[NCID] AA00251673
[DOI] http://dx.doi.org/10.1016/j.jeconom.2009.04.008